As requested, here some catwalk platforms. Early stage, will be enhanced with railings, stairs, ladders, etc.
They can be crafted in any of Dejan's Workbenches, either Dejan's Structures, Dejan's Rock Structures or Dejan's Catwalks, one or two blocks wide:

Floor level, Ceiling level, Vertical:

Different styles:

since v1.2.0:

Ladders (free Ladder, Ladder fixed to wall, Steps in the wall):

since v1.2.0:

Stairs (with open and closed steps)

Since v1.4.0 metal deco items will be added here:

since v1.5.2 (Flapdoors can be opened upwards):

Working Sunclocks:

Feedback and ideas are always welcome.

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